On Tue, Jun 19, 2018 at 10:20 AM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote: > >> On Jun 19, 2018, at 10:07 AM, Kees Cook <keescook@xxxxxxxxxxxx> wrote: >> >> Does it provide anything beyond what PR_DUMPABLE does? > > What do you mean? I was just going by the name of it. I wasn't sure what "ptrace CET lock" meant, so I was trying to understand if it was another "you can't ptrace me" toggle, and if so, wouldn't it be redundant with PR_SET_DUMPABLE = 0, etc. -Kees -- Kees Cook Pixel Security